28613000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 75479040

約数和(自身を除く): 46866040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 71, 100, 104, 124, 125, 130, 142, 155, 200, 248, 250, 260, 284, 310, 325, 355, 403, 500, 520, 568, 620, 650, 710, 775, 806, 923, 1000, 1240, 1300, 1420, 1550, 1612, 1625, 1775, 1846, 2015, 2201, 2600, 2840, 3100, 3224, 3250, 3550, 3692, 3875, 4030, 4402, 4615, 6200, 6500, 7100, 7384, 7750, 8060, 8804, 8875, 9230, 10075, 11005, 13000, 14200, 15500, 16120, 17608, 17750, 18460, 20150, 22010, 23075, 28613, 31000, 35500, 36920, 40300, 44020, 46150, 50375, 55025, 57226, 71000, 80600, 88040, 92300, 100750, 110050, 114452, 115375, 143065, 184600, 201500, 220100, 228904, 230750, 275125, 286130, 403000, 440200, 461500, 550250, 572260, 715325, 923000, 1100500, 1144520, 1430650, 2201000, 2861300, 3576625, 5722600, 7153250, 14306500, 28613000]

約数ペア:

[(1, 28613000), (2, 14306500), (4, 7153250), (5, 5722600), (8, 3576625), (10, 2861300), (13, 2201000), (20, 1430650), (25, 1144520), (26, 1100500), (31, 923000), (40, 715325), (50, 572260), (52, 550250), (62, 461500), (65, 440200), (71, 403000), (100, 286130), (104, 275125), (124, 230750), (125, 228904), (130, 220100), (142, 201500), (155, 184600), (200, 143065), (248, 115375), (250, 114452), (260, 110050), (284, 100750), (310, 92300), (325, 88040), (355, 80600), (403, 71000), (500, 57226), (520, 55025), (568, 50375), (620, 46150), (650, 44020), (710, 40300), (775, 36920), (806, 35500), (923, 31000), (1000, 28613), (1240, 23075), (1300, 22010), (1420, 20150), (1550, 18460), (1612, 17750), (1625, 17608), (1775, 16120), (1846, 15500), (2015, 14200), (2201, 13000), (2600, 11005), (2840, 10075), (3100, 9230), (3224, 8875), (3250, 8804), (3550, 8060), (3692, 7750), (3875, 7384), (4030, 7100), (4402, 6500), (4615, 6200)]