381439500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:697

約数の個数: 192

約数和(自身を含む): 1236738048

約数和(自身を除く): 855298548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 125, 130, 150, 155, 156, 186, 195, 250, 260, 300, 310, 325, 372, 375, 390, 403, 465, 500, 620, 631, 650, 750, 775, 780, 806, 930, 975, 1209, 1262, 1300, 1500, 1550, 1612, 1625, 1860, 1893, 1950, 2015, 2325, 2418, 2524, 3100, 3155, 3250, 3786, 3875, 3900, 4030, 4650, 4836, 4875, 6045, 6310, 6500, 7572, 7750, 8060, 8203, 9300, 9465, 9750, 10075, 11625, 12090, 12620, 15500, 15775, 16406, 18930, 19500, 19561, 20150, 23250, 24180, 24609, 30225, 31550, 32812, 37860, 39122, 40300, 41015, 46500, 47325, 49218, 50375, 58683, 60450, 63100, 78244, 78875, 82030, 94650, 97805, 98436, 100750, 117366, 120900, 123045, 151125, 157750, 164060, 189300, 195610, 201500, 205075, 234732, 236625, 246090, 254293, 293415, 302250, 315500, 391220, 410150, 473250, 489025, 492180, 508586, 586830, 604500, 615225, 762879, 820300, 946500, 978050, 1017172, 1025375, 1173660, 1230450, 1271465, 1467075, 1525758, 1956100, 2050750, 2445125, 2460900, 2542930, 2934150, 3051516, 3076125, 3814395, 4101500, 4890250, 5085860, 5868300, 6152250, 6357325, 7335375, 7628790, 9780500, 12304500, 12714650, 14670750, 15257580, 19071975, 25429300, 29341500, 31786625, 38143950, 63573250, 76287900, 95359875, 127146500, 190719750, 381439500]

約数ペア:

[(1, 381439500), (2, 190719750), (3, 127146500), (4, 95359875), (5, 76287900), (6, 63573250), (10, 38143950), (12, 31786625), (13, 29341500), (15, 25429300), (20, 19071975), (25, 15257580), (26, 14670750), (30, 12714650), (31, 12304500), (39, 9780500), (50, 7628790), (52, 7335375), (60, 6357325), (62, 6152250), (65, 5868300), (75, 5085860), (78, 4890250), (93, 4101500), (100, 3814395), (124, 3076125), (125, 3051516), (130, 2934150), (150, 2542930), (155, 2460900), (156, 2445125), (186, 2050750), (195, 1956100), (250, 1525758), (260, 1467075), (300, 1271465), (310, 1230450), (325, 1173660), (372, 1025375), (375, 1017172), (390, 978050), (403, 946500), (465, 820300), (500, 762879), (620, 615225), (631, 604500), (650, 586830), (750, 508586), (775, 492180), (780, 489025), (806, 473250), (930, 410150), (975, 391220), (1209, 315500), (1262, 302250), (1300, 293415), (1500, 254293), (1550, 246090), (1612, 236625), (1625, 234732), (1860, 205075), (1893, 201500), (1950, 195610), (2015, 189300), (2325, 164060), (2418, 157750), (2524, 151125), (3100, 123045), (3155, 120900), (3250, 117366), (3786, 100750), (3875, 98436), (3900, 97805), (4030, 94650), (4650, 82030), (4836, 78875), (4875, 78244), (6045, 63100), (6310, 60450), (6500, 58683), (7572, 50375), (7750, 49218), (8060, 47325), (8203, 46500), (9300, 41015), (9465, 40300), (9750, 39122), (10075, 37860), (11625, 32812), (12090, 31550), (12620, 30225), (15500, 24609), (15775, 24180), (16406, 23250), (18930, 20150), (19500, 19561)]