30153700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 68995584

約数和(自身を除く): 38841884

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 137, 142, 155, 274, 284, 310, 355, 548, 620, 685, 710, 775, 1370, 1420, 1550, 1775, 2201, 2740, 3100, 3425, 3550, 4247, 4402, 6850, 7100, 8494, 8804, 9727, 11005, 13700, 16988, 19454, 21235, 22010, 38908, 42470, 44020, 48635, 55025, 84940, 97270, 106175, 110050, 194540, 212350, 220100, 243175, 301537, 424700, 486350, 603074, 972700, 1206148, 1507685, 3015370, 6030740, 7538425, 15076850, 30153700]

約数ペア:

[(1, 30153700), (2, 15076850), (4, 7538425), (5, 6030740), (10, 3015370), (20, 1507685), (25, 1206148), (31, 972700), (50, 603074), (62, 486350), (71, 424700), (100, 301537), (124, 243175), (137, 220100), (142, 212350), (155, 194540), (274, 110050), (284, 106175), (310, 97270), (355, 84940), (548, 55025), (620, 48635), (685, 44020), (710, 42470), (775, 38908), (1370, 22010), (1420, 21235), (1550, 19454), (1775, 16988), (2201, 13700), (2740, 11005), (3100, 9727), (3425, 8804), (3550, 8494), (4247, 7100), (4402, 6850)]