246985180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 628195680

約数和(自身を除く): 381210500

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 173, 190, 221, 247, 260, 289, 323, 340, 346, 380, 442, 494, 578, 646, 692, 865, 884, 988, 1105, 1156, 1235, 1292, 1445, 1615, 1730, 2210, 2249, 2470, 2890, 2941, 3230, 3287, 3460, 3757, 4199, 4420, 4498, 4940, 5491, 5780, 5882, 6460, 6574, 7514, 8398, 8996, 10982, 11245, 11764, 13148, 14705, 15028, 16435, 16796, 18785, 20995, 21964, 22490, 27455, 29410, 32870, 37570, 38233, 41990, 42731, 44980, 49997, 54910, 55879, 58820, 65740, 71383, 75140, 76466, 83980, 85462, 99994, 109820, 111758, 142766, 152932, 170924, 191165, 199988, 213655, 223516, 249985, 279395, 285532, 356915, 382330, 427310, 499970, 558790, 649961, 713830, 726427, 764660, 854620, 949943, 999940, 1117580, 1299922, 1427660, 1452854, 1899886, 2599844, 2905708, 3249805, 3632135, 3799772, 4749715, 6499610, 7264270, 9499430, 12349259, 12999220, 14528540, 18998860, 24698518, 49397036, 61746295, 123492590, 246985180]

約数ペア:

[(1, 246985180), (2, 123492590), (4, 61746295), (5, 49397036), (10, 24698518), (13, 18998860), (17, 14528540), (19, 12999220), (20, 12349259), (26, 9499430), (34, 7264270), (38, 6499610), (52, 4749715), (65, 3799772), (68, 3632135), (76, 3249805), (85, 2905708), (95, 2599844), (130, 1899886), (170, 1452854), (173, 1427660), (190, 1299922), (221, 1117580), (247, 999940), (260, 949943), (289, 854620), (323, 764660), (340, 726427), (346, 713830), (380, 649961), (442, 558790), (494, 499970), (578, 427310), (646, 382330), (692, 356915), (865, 285532), (884, 279395), (988, 249985), (1105, 223516), (1156, 213655), (1235, 199988), (1292, 191165), (1445, 170924), (1615, 152932), (1730, 142766), (2210, 111758), (2249, 109820), (2470, 99994), (2890, 85462), (2941, 83980), (3230, 76466), (3287, 75140), (3460, 71383), (3757, 65740), (4199, 58820), (4420, 55879), (4498, 54910), (4940, 49997), (5491, 44980), (5780, 42731), (5882, 41990), (6460, 38233), (6574, 37570), (7514, 32870), (8398, 29410), (8996, 27455), (10982, 22490), (11245, 21964), (11764, 20995), (13148, 18785), (14705, 16796), (15028, 16435)]