228900880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2473}}^1$

素因数の和:2588

約数の個数: 80

約数和(自身を含む): 579806640

約数和(自身を除く): 350905760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 890, 1040, 1157, 1424, 1780, 2314, 2473, 3560, 4628, 4946, 5785, 7120, 9256, 9892, 11570, 12365, 18512, 19784, 23140, 24730, 32149, 39568, 46280, 49460, 64298, 92560, 98920, 128596, 160745, 197840, 220097, 257192, 321490, 440194, 514384, 642980, 880388, 1100485, 1285960, 1760776, 2200970, 2571920, 2861261, 3521552, 4401940, 5722522, 8803880, 11445044, 14306305, 17607760, 22890088, 28612610, 45780176, 57225220, 114450440, 228900880]

約数ペア:

[(1, 228900880), (2, 114450440), (4, 57225220), (5, 45780176), (8, 28612610), (10, 22890088), (13, 17607760), (16, 14306305), (20, 11445044), (26, 8803880), (40, 5722522), (52, 4401940), (65, 3521552), (80, 2861261), (89, 2571920), (104, 2200970), (130, 1760776), (178, 1285960), (208, 1100485), (260, 880388), (356, 642980), (445, 514384), (520, 440194), (712, 321490), (890, 257192), (1040, 220097), (1157, 197840), (1424, 160745), (1780, 128596), (2314, 98920), (2473, 92560), (3560, 64298), (4628, 49460), (4946, 46280), (5785, 39568), (7120, 32149), (9256, 24730), (9892, 23140), (11570, 19784), (12365, 18512)]