21639466300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{29207}}^1$

素因数の和:29491

約数の個数: 72

約数和(自身を含む): 48676884480

約数和(自身を除く): 27037418180

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 239, 310, 478, 620, 775, 956, 1195, 1550, 2390, 3100, 4780, 5975, 7409, 11950, 14818, 23900, 29207, 29636, 37045, 58414, 74090, 116828, 146035, 148180, 185225, 292070, 370450, 584140, 730175, 740900, 905417, 1460350, 1810834, 2920700, 3621668, 4527085, 6980473, 9054170, 13960946, 18108340, 22635425, 27921892, 34902365, 45270850, 69804730, 90541700, 139609460, 174511825, 216394663, 349023650, 432789326, 698047300, 865578652, 1081973315, 2163946630, 4327893260, 5409866575, 10819733150, 21639466300]

約数ペア:

[(1, 21639466300), (2, 10819733150), (4, 5409866575), (5, 4327893260), (10, 2163946630), (20, 1081973315), (25, 865578652), (31, 698047300), (50, 432789326), (62, 349023650), (100, 216394663), (124, 174511825), (155, 139609460), (239, 90541700), (310, 69804730), (478, 45270850), (620, 34902365), (775, 27921892), (956, 22635425), (1195, 18108340), (1550, 13960946), (2390, 9054170), (3100, 6980473), (4780, 4527085), (5975, 3621668), (7409, 2920700), (11950, 1810834), (14818, 1460350), (23900, 905417), (29207, 740900), (29636, 730175), (37045, 584140), (58414, 370450), (74090, 292070), (116828, 185225), (146035, 148180)]