198953720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{853}}^1$

素因数の和:902

約数の個数: 128

約数和(自身を含む): 553392000

約数和(自身を除く): 354438280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 343, 392, 476, 490, 595, 680, 686, 833, 853, 952, 980, 1190, 1372, 1666, 1706, 1715, 1960, 2380, 2744, 3332, 3412, 3430, 4165, 4265, 4760, 5831, 5971, 6664, 6824, 6860, 8330, 8530, 11662, 11942, 13720, 14501, 16660, 17060, 23324, 23884, 29002, 29155, 29855, 33320, 34120, 41797, 46648, 47768, 58004, 58310, 59710, 72505, 83594, 101507, 116008, 116620, 119420, 145010, 167188, 203014, 208985, 233240, 238840, 290020, 292579, 334376, 406028, 417970, 507535, 580040, 585158, 710549, 812056, 835940, 1015070, 1170316, 1421098, 1462895, 1671880, 2030140, 2340632, 2842196, 2925790, 3552745, 4060280, 4973843, 5684392, 5851580, 7105490, 9947686, 11703160, 14210980, 19895372, 24869215, 28421960, 39790744, 49738430, 99476860, 198953720]

約数ペア:

[(1, 198953720), (2, 99476860), (4, 49738430), (5, 39790744), (7, 28421960), (8, 24869215), (10, 19895372), (14, 14210980), (17, 11703160), (20, 9947686), (28, 7105490), (34, 5851580), (35, 5684392), (40, 4973843), (49, 4060280), (56, 3552745), (68, 2925790), (70, 2842196), (85, 2340632), (98, 2030140), (119, 1671880), (136, 1462895), (140, 1421098), (170, 1170316), (196, 1015070), (238, 835940), (245, 812056), (280, 710549), (340, 585158), (343, 580040), (392, 507535), (476, 417970), (490, 406028), (595, 334376), (680, 292579), (686, 290020), (833, 238840), (853, 233240), (952, 208985), (980, 203014), (1190, 167188), (1372, 145010), (1666, 119420), (1706, 116620), (1715, 116008), (1960, 101507), (2380, 83594), (2744, 72505), (3332, 59710), (3412, 58310), (3430, 58004), (4165, 47768), (4265, 46648), (4760, 41797), (5831, 34120), (5971, 33320), (6664, 29855), (6824, 29155), (6860, 29002), (8330, 23884), (8530, 23324), (11662, 17060), (11942, 16660), (13720, 14501)]