239504980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 623129472

約数和(自身を除く): 383624492

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 121, 130, 143, 220, 230, 242, 253, 260, 286, 299, 331, 460, 484, 506, 572, 598, 605, 662, 715, 1012, 1196, 1210, 1265, 1324, 1430, 1495, 1573, 1655, 2420, 2530, 2783, 2860, 2990, 3146, 3289, 3310, 3641, 4303, 5060, 5566, 5980, 6292, 6578, 6620, 7282, 7613, 7865, 8606, 11132, 13156, 13915, 14564, 15226, 15730, 16445, 17212, 18205, 21515, 27830, 30452, 31460, 32890, 36179, 36410, 38065, 40051, 43030, 47333, 55660, 65780, 72358, 72820, 76130, 80102, 83743, 86060, 94666, 98969, 144716, 152260, 160204, 167486, 180895, 189332, 197938, 200255, 236665, 334972, 361790, 395876, 400510, 418715, 473330, 494845, 520663, 723580, 801020, 837430, 921173, 946660, 989690, 1041326, 1088659, 1674860, 1842346, 1979380, 2082652, 2177318, 2603315, 3684692, 4354636, 4605865, 5206630, 5443295, 9211730, 10413260, 10886590, 11975249, 18423460, 21773180, 23950498, 47900996, 59876245, 119752490, 239504980]

約数ペア:

[(1, 239504980), (2, 119752490), (4, 59876245), (5, 47900996), (10, 23950498), (11, 21773180), (13, 18423460), (20, 11975249), (22, 10886590), (23, 10413260), (26, 9211730), (44, 5443295), (46, 5206630), (52, 4605865), (55, 4354636), (65, 3684692), (92, 2603315), (110, 2177318), (115, 2082652), (121, 1979380), (130, 1842346), (143, 1674860), (220, 1088659), (230, 1041326), (242, 989690), (253, 946660), (260, 921173), (286, 837430), (299, 801020), (331, 723580), (460, 520663), (484, 494845), (506, 473330), (572, 418715), (598, 400510), (605, 395876), (662, 361790), (715, 334972), (1012, 236665), (1196, 200255), (1210, 197938), (1265, 189332), (1324, 180895), (1430, 167486), (1495, 160204), (1573, 152260), (1655, 144716), (2420, 98969), (2530, 94666), (2783, 86060), (2860, 83743), (2990, 80102), (3146, 76130), (3289, 72820), (3310, 72358), (3641, 65780), (4303, 55660), (5060, 47333), (5566, 43030), (5980, 40051), (6292, 38065), (6578, 36410), (6620, 36179), (7282, 32890), (7613, 31460), (7865, 30452), (8606, 27830), (11132, 21515), (13156, 18205), (13915, 17212), (14564, 16445), (15226, 15730)]