109863890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 218419200

約数和(自身を除く): 108555310

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 127, 145, 157, 190, 254, 290, 314, 551, 635, 785, 1102, 1270, 1570, 2413, 2755, 2983, 3683, 4553, 4826, 5510, 5966, 7366, 9106, 12065, 14915, 18415, 19939, 22765, 24130, 29830, 36830, 39878, 45530, 69977, 86507, 99695, 139954, 173014, 199390, 349885, 378841, 432535, 578231, 699770, 757682, 865070, 1156462, 1894205, 2891155, 3788410, 5782310, 10986389, 21972778, 54931945, 109863890]

約数ペア:

[(1, 109863890), (2, 54931945), (5, 21972778), (10, 10986389), (19, 5782310), (29, 3788410), (38, 2891155), (58, 1894205), (95, 1156462), (127, 865070), (145, 757682), (157, 699770), (190, 578231), (254, 432535), (290, 378841), (314, 349885), (551, 199390), (635, 173014), (785, 139954), (1102, 99695), (1270, 86507), (1570, 69977), (2413, 45530), (2755, 39878), (2983, 36830), (3683, 29830), (4553, 24130), (4826, 22765), (5510, 19939), (5966, 18415), (7366, 14915), (9106, 12065)]