2861300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 6999552

約数和(自身を除く): 4138252

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 71, 100, 124, 130, 142, 155, 260, 284, 310, 325, 355, 403, 620, 650, 710, 775, 806, 923, 1300, 1420, 1550, 1612, 1775, 1846, 2015, 2201, 3100, 3550, 3692, 4030, 4402, 4615, 7100, 8060, 8804, 9230, 10075, 11005, 18460, 20150, 22010, 23075, 28613, 40300, 44020, 46150, 55025, 57226, 92300, 110050, 114452, 143065, 220100, 286130, 572260, 715325, 1430650, 2861300]

約数ペア:

[(1, 2861300), (2, 1430650), (4, 715325), (5, 572260), (10, 286130), (13, 220100), (20, 143065), (25, 114452), (26, 110050), (31, 92300), (50, 57226), (52, 55025), (62, 46150), (65, 44020), (71, 40300), (100, 28613), (124, 23075), (130, 22010), (142, 20150), (155, 18460), (260, 11005), (284, 10075), (310, 9230), (325, 8804), (355, 8060), (403, 7100), (620, 4615), (650, 4402), (710, 4030), (775, 3692), (806, 3550), (923, 3100), (1300, 2201), (1420, 2015), (1550, 1846), (1612, 1775)]