31381300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 71995392

約数和(自身を除く): 40614092

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 53, 62, 100, 106, 124, 155, 191, 212, 265, 310, 382, 530, 620, 764, 775, 955, 1060, 1325, 1550, 1643, 1910, 2650, 3100, 3286, 3820, 4775, 5300, 5921, 6572, 8215, 9550, 10123, 11842, 16430, 19100, 20246, 23684, 29605, 32860, 40492, 41075, 50615, 59210, 82150, 101230, 118420, 148025, 164300, 202460, 253075, 296050, 313813, 506150, 592100, 627626, 1012300, 1255252, 1569065, 3138130, 6276260, 7845325, 15690650, 31381300]

約数ペア:

[(1, 31381300), (2, 15690650), (4, 7845325), (5, 6276260), (10, 3138130), (20, 1569065), (25, 1255252), (31, 1012300), (50, 627626), (53, 592100), (62, 506150), (100, 313813), (106, 296050), (124, 253075), (155, 202460), (191, 164300), (212, 148025), (265, 118420), (310, 101230), (382, 82150), (530, 59210), (620, 50615), (764, 41075), (775, 40492), (955, 32860), (1060, 29605), (1325, 23684), (1550, 20246), (1643, 19100), (1910, 16430), (2650, 11842), (3100, 10123), (3286, 9550), (3820, 8215), (4775, 6572), (5300, 5921)]