388638860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 874964160

約数和(自身を除く): 486325300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 73, 116, 134, 137, 145, 146, 268, 274, 290, 292, 335, 365, 548, 580, 670, 685, 730, 1340, 1370, 1460, 1943, 2117, 2740, 3886, 3973, 4234, 4891, 7772, 7946, 8468, 9179, 9715, 9782, 10001, 10585, 15892, 18358, 19430, 19564, 19865, 20002, 21170, 24455, 36716, 38860, 39730, 40004, 42340, 45895, 48910, 50005, 79460, 91790, 97820, 100010, 141839, 183580, 200020, 266191, 283678, 290029, 532382, 567356, 580058, 670067, 709195, 1064764, 1160116, 1330955, 1340134, 1418390, 1450145, 2661910, 2680268, 2836780, 2900290, 3350335, 5323820, 5800580, 6700670, 13401340, 19431943, 38863886, 77727772, 97159715, 194319430, 388638860]

約数ペア:

[(1, 388638860), (2, 194319430), (4, 97159715), (5, 77727772), (10, 38863886), (20, 19431943), (29, 13401340), (58, 6700670), (67, 5800580), (73, 5323820), (116, 3350335), (134, 2900290), (137, 2836780), (145, 2680268), (146, 2661910), (268, 1450145), (274, 1418390), (290, 1340134), (292, 1330955), (335, 1160116), (365, 1064764), (548, 709195), (580, 670067), (670, 580058), (685, 567356), (730, 532382), (1340, 290029), (1370, 283678), (1460, 266191), (1943, 200020), (2117, 183580), (2740, 141839), (3886, 100010), (3973, 97820), (4234, 91790), (4891, 79460), (7772, 50005), (7946, 48910), (8468, 45895), (9179, 42340), (9715, 40004), (9782, 39730), (10001, 38860), (10585, 36716), (15892, 24455), (18358, 21170), (19430, 20002), (19564, 19865)]