90914980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 221671296

約数和(自身を除く): 130756316

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 67, 68, 85, 130, 134, 170, 221, 260, 268, 307, 335, 340, 442, 614, 670, 871, 884, 1105, 1139, 1228, 1340, 1535, 1742, 2210, 2278, 3070, 3484, 3991, 4355, 4420, 4556, 5219, 5695, 6140, 7982, 8710, 10438, 11390, 14807, 15964, 17420, 19955, 20569, 20876, 22780, 26095, 29614, 39910, 41138, 52190, 59228, 67847, 74035, 79820, 82276, 102845, 104380, 135694, 148070, 205690, 267397, 271388, 296140, 339235, 349673, 411380, 534794, 678470, 699346, 1069588, 1336985, 1356940, 1398692, 1748365, 2673970, 3496730, 4545749, 5347940, 6993460, 9091498, 18182996, 22728745, 45457490, 90914980]

約数ペア:

[(1, 90914980), (2, 45457490), (4, 22728745), (5, 18182996), (10, 9091498), (13, 6993460), (17, 5347940), (20, 4545749), (26, 3496730), (34, 2673970), (52, 1748365), (65, 1398692), (67, 1356940), (68, 1336985), (85, 1069588), (130, 699346), (134, 678470), (170, 534794), (221, 411380), (260, 349673), (268, 339235), (307, 296140), (335, 271388), (340, 267397), (442, 205690), (614, 148070), (670, 135694), (871, 104380), (884, 102845), (1105, 82276), (1139, 79820), (1228, 74035), (1340, 67847), (1535, 59228), (1742, 52190), (2210, 41138), (2278, 39910), (3070, 29614), (3484, 26095), (3991, 22780), (4355, 20876), (4420, 20569), (4556, 19955), (5219, 17420), (5695, 15964), (6140, 14807), (7982, 11390), (8710, 10438)]