199355220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:926

約数の個数: 144

約数和(自身を含む): 646289280

約数和(自身を除く): 446934060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 284, 285, 342, 355, 380, 426, 570, 639, 684, 710, 821, 852, 855, 1065, 1140, 1278, 1349, 1420, 1642, 1710, 2130, 2463, 2556, 2698, 3195, 3284, 3420, 4047, 4105, 4260, 4926, 5396, 6390, 6745, 7389, 8094, 8210, 9852, 12141, 12315, 12780, 13490, 14778, 15599, 16188, 16420, 20235, 24282, 24630, 26980, 29556, 31198, 36945, 40470, 46797, 48564, 49260, 58291, 60705, 62396, 73890, 77995, 80940, 93594, 116582, 121410, 140391, 147780, 155990, 174873, 187188, 233164, 233985, 242820, 280782, 291455, 311980, 349746, 467970, 524619, 561564, 582910, 699492, 701955, 874365, 935940, 1049238, 1107529, 1165820, 1403910, 1748730, 2098476, 2215058, 2623095, 2807820, 3322587, 3497460, 4430116, 5246190, 5537645, 6645174, 9967761, 10492380, 11075290, 13290348, 16612935, 19935522, 22150580, 33225870, 39871044, 49838805, 66451740, 99677610, 199355220]

約数ペア:

[(1, 199355220), (2, 99677610), (3, 66451740), (4, 49838805), (5, 39871044), (6, 33225870), (9, 22150580), (10, 19935522), (12, 16612935), (15, 13290348), (18, 11075290), (19, 10492380), (20, 9967761), (30, 6645174), (36, 5537645), (38, 5246190), (45, 4430116), (57, 3497460), (60, 3322587), (71, 2807820), (76, 2623095), (90, 2215058), (95, 2098476), (114, 1748730), (142, 1403910), (171, 1165820), (180, 1107529), (190, 1049238), (213, 935940), (228, 874365), (284, 701955), (285, 699492), (342, 582910), (355, 561564), (380, 524619), (426, 467970), (570, 349746), (639, 311980), (684, 291455), (710, 280782), (821, 242820), (852, 233985), (855, 233164), (1065, 187188), (1140, 174873), (1278, 155990), (1349, 147780), (1420, 140391), (1642, 121410), (1710, 116582), (2130, 93594), (2463, 80940), (2556, 77995), (2698, 73890), (3195, 62396), (3284, 60705), (3420, 58291), (4047, 49260), (4105, 48564), (4260, 46797), (4926, 40470), (5396, 36945), (6390, 31198), (6745, 29556), (7389, 26980), (8094, 24630), (8210, 24282), (9852, 20235), (12141, 16420), (12315, 16188), (12780, 15599), (13490, 14778)]